/* =========================================================================
   ZADAR FACILITY SERVICE — PREMIUM CSS
   Navy + Gold Luxury Aesthetic
   ========================================================================= */

/* -------------------------------------------------------------------------
   CSS CUSTOM PROPERTIES
   ------------------------------------------------------------------------- */
:root {
    /* Primary Palette */
    --navy-950: #050a18;
    --navy-900: #0a1628;
    --navy-800: #0d1f3c;
    --navy-700: #132d56;
    --navy-600: #1a3f70;
    --navy-500: #24578f;
    --navy-400: #3a75b5;
    --navy-300: #6a9fd4;
    --navy-200: #a3c4e5;
    --navy-100: #d4e3f3;
    --navy-50: #edf3fa;

    /* Gold Accent */
    --gold-600: #8a6914;
    --gold-500: #a67c1a;
    --gold-400: #c5a55a;
    --gold-300: #d4b978;
    --gold-200: #e6d4a3;
    --gold-100: #f3ebd4;
    --gold-50: #faf6ec;

    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic */
    --color-primary: var(--navy-900);
    --color-primary-light: var(--navy-700);
    --color-accent: var(--gold-400);
    --color-accent-dark: var(--gold-500);
    --color-accent-light: var(--gold-200);
    --color-text: var(--gray-800);
    --color-text-light: var(--gray-500);
    --color-text-inverse: var(--white);
    --color-bg: var(--white);
    --color-bg-alt: var(--gray-50);
    --color-bg-dark: var(--navy-900);
    --color-border: var(--gray-200);

    /* Typography */
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --container-max: 1280px;
    --container-narrow: 900px;
    --container-wide: 1440px;
    --header-height: 90px;

    /* Effects */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.06);
    --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 8px 32px rgba(10, 22, 40, 0.12);
    --shadow-xl: 0 16px 48px rgba(10, 22, 40, 0.16);
    --shadow-gold: 0 4px 24px rgba(197, 165, 90, 0.2);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* -------------------------------------------------------------------------
   RESET & BASE
   ------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* -------------------------------------------------------------------------
   UTILITY CLASSES
   ------------------------------------------------------------------------- */
.zfs-container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.zfs-container--narrow {
    max-width: var(--container-narrow);
}

.zfs-container--wide {
    max-width: var(--container-wide);
}

.zfs-section {
    padding: var(--space-5xl) 0;
}

.zfs-section--dark {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

.zfs-section--alt {
    background: var(--color-bg-alt);
}

.zfs-section--gold {
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
    color: var(--color-text-inverse);
}

/* Section headers */
.zfs-section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.zfs-tagline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.zfs-tagline::before,
.zfs-tagline::after {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--color-accent);
}

.zfs-title {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

.zfs-title--h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

.zfs-title--h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

.zfs-title--h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.zfs-section--dark .zfs-title,
.zfs-section--gold .zfs-title {
    color: var(--white);
}

.zfs-section--dark .zfs-title span,
.zfs-section--gold .zfs-title span {
    color: var(--color-accent);
}

.zfs-subtitle {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    max-width: 720px;
    margin: var(--space-lg) auto 0;
}

.zfs-section--dark .zfs-subtitle,
.zfs-section--gold .zfs-subtitle {
    color: var(--navy-200);
}

/* -------------------------------------------------------------------------
   BUTTONS
   ------------------------------------------------------------------------- */
.zfs-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.9rem 2rem;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.zfs-btn .zfs-icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.zfs-btn:hover .zfs-icon {
    transform: translateX(3px);
}

.zfs-btn--primary {
    background: var(--color-accent);
    color: var(--navy-900);
    border-color: var(--color-accent);
}

.zfs-btn--primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.zfs-btn--secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.zfs-btn--secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.zfs-btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.zfs-btn--outline:hover {
    background: var(--color-primary);
    color: var(--white);
    transform: translateY(-2px);
}

.zfs-btn--outline-gold {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.zfs-btn--outline-gold:hover {
    background: var(--color-accent);
    color: var(--navy-900);
    transform: translateY(-2px);
}

.zfs-btn--dark {
    background: var(--navy-900);
    color: var(--white);
    border-color: var(--navy-900);
}

.zfs-btn--dark:hover {
    background: var(--navy-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.zfs-btn--sm {
    padding: 0.6rem 1.4rem;
    font-size: 0.85rem;
}

.zfs-btn--lg {
    padding: 1.1rem 2.5rem;
    font-size: 1.05rem;
}

/* -------------------------------------------------------------------------
   SVG ICONS
   ------------------------------------------------------------------------- */
.zfs-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.zfs-icon svg {
    width: 100%;
    height: 100%;
}

/* -------------------------------------------------------------------------
   HEADER
   ------------------------------------------------------------------------- */
.zfs-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    transition: all var(--transition-base);
    background: transparent;
}

.zfs-header.is-scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    height: 72px;
}

.zfs-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Logo */
.zfs-logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.zfs-logo img {
    height: 50px;
    width: auto;
    transition: height var(--transition-base);
}

.zfs-header.is-scrolled .zfs-logo img {
    height: 40px;
}

.zfs-logo__text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--white);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.zfs-logo__text span {
    color: var(--color-accent);
}

/* Navigation */
.zfs-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.zfs-nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.zfs-nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--space-sm) 0;
}

.zfs-nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.zfs-nav__link:hover {
    color: var(--white);
}

.zfs-nav__link:hover::after,
.zfs-nav__link.is-active::after {
    width: 100%;
}

/* Dropdown */
.zfs-nav__dropdown {
    position: relative;
}

.zfs-nav__dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.zfs-nav__dropdown-trigger .zfs-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.zfs-nav__dropdown:hover .zfs-nav__dropdown-trigger .zfs-icon {
    transform: rotate(180deg);
}

.zfs-nav__dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: var(--space-sm);
    min-width: 260px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    list-style: none;
    border: 1px solid var(--color-border);
}

.zfs-nav__dropdown:hover .zfs-nav__dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.zfs-nav__dropdown-item a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.65rem 1rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.zfs-nav__dropdown-item a .zfs-icon {
    width: 18px;
    height: 18px;
    color: var(--color-accent-dark);
}

.zfs-nav__dropdown-item a:hover {
    background: var(--navy-50);
    color: var(--navy-900);
}

/* Language switcher */
.zfs-lang {
    display: flex;
    align-items: center;
    gap: 2px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    padding: 3px;
}

.zfs-lang__link {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    padding: 0.35rem 0.65rem;
    border-radius: 50px;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.zfs-lang__link:hover {
    color: var(--white);
}

.zfs-lang__link.is-active {
    background: var(--color-accent);
    color: var(--navy-900);
}

/* Header CTA */
.zfs-header__cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.zfs-header__phone {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--white);
}

.zfs-header__phone .zfs-icon {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

/* Mobile menu toggle */
.zfs-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--white);
    z-index: 1001;
    padding: var(--space-sm);
}

.zfs-menu-toggle .zfs-icon {
    width: 28px;
    height: 28px;
}

/* -------------------------------------------------------------------------
   HERO SECTION
   ------------------------------------------------------------------------- */
.zfs-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--navy-950);
    overflow: hidden;
}

.zfs-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.zfs-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.zfs-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(
        135deg,
        rgba(10, 22, 40, 0.95) 0%,
        rgba(10, 22, 40, 0.7) 50%,
        rgba(10, 22, 40, 0.5) 100%
    );
}

/* Decorative gold line */
.zfs-hero__accent {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    z-index: 4;
}

.zfs-hero__content {
    position: relative;
    z-index: 3;
    max-width: 720px;
    padding-top: calc(var(--header-height) + var(--space-4xl));
    padding-bottom: var(--space-4xl);
}

.zfs-hero__tagline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

.zfs-hero__tagline::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--color-accent);
}

.zfs-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--space-xl);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.5s;
}

.zfs-hero__title span {
    color: var(--color-accent);
    font-style: italic;
}

.zfs-hero__subtitle {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--navy-200);
    margin-bottom: var(--space-2xl);
    max-width: 580px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.7s;
}

.zfs-hero__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.9s;
}

/* Hero scroll indicator */
.zfs-hero__scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: scrollBounce 2s ease-in-out infinite;
}

.zfs-hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
}

/* -------------------------------------------------------------------------
   INTRO / ABOUT SECTION
   ------------------------------------------------------------------------- */
.zfs-intro {
    padding: var(--space-5xl) 0;
}

.zfs-intro__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.zfs-intro__image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.zfs-intro__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zfs-intro__image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    opacity: 0.3;
    pointer-events: none;
}

/* Gold corner accent */
.zfs-intro__image-accent {
    position: absolute;
    bottom: -12px;
    right: -12px;
    width: 120px;
    height: 120px;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.zfs-intro__content {
    padding-left: var(--space-xl);
}

.zfs-intro__text {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--gray-600);
    margin-bottom: var(--space-lg);
}

.zfs-intro__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
}

.zfs-stat {
    text-align: center;
}

.zfs-stat__number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--navy-900);
    line-height: 1;
}

.zfs-stat__label {
    font-size: 0.82rem;
    color: var(--color-text-light);
    margin-top: var(--space-xs);
    font-weight: 500;
}

/* -------------------------------------------------------------------------
   SERVICES GRID
   ------------------------------------------------------------------------- */
.zfs-services {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-alt);
}

.zfs-services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.zfs-service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.zfs-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.zfs-service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.zfs-service-card:hover::before {
    transform: scaleX(1);
}

.zfs-service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--navy-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    transition: all var(--transition-base);
}

.zfs-service-card__icon .zfs-icon {
    width: 28px;
    height: 28px;
    color: var(--navy-700);
    transition: color var(--transition-base);
}

.zfs-service-card:hover .zfs-service-card__icon {
    background: var(--color-accent);
}

.zfs-service-card:hover .zfs-service-card__icon .zfs-icon {
    color: var(--navy-900);
}

.zfs-service-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.zfs-service-card__desc {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--gray-500);
    flex: 1;
    margin-bottom: var(--space-lg);
}

.zfs-service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--navy-700);
    transition: all var(--transition-fast);
}

.zfs-service-card__link .zfs-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.zfs-service-card__link:hover {
    color: var(--color-accent-dark);
}

.zfs-service-card__link:hover .zfs-icon {
    transform: translateX(4px);
}

/* -------------------------------------------------------------------------
   WHY US SECTION
   ------------------------------------------------------------------------- */
.zfs-why {
    padding: var(--space-5xl) 0;
}

.zfs-why__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.zfs-why-card {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-2xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.zfs-why-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-gold);
    transform: translateY(-3px);
}

.zfs-why-card__icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
    border-radius: var(--radius-md);
    color: var(--color-accent);
}

.zfs-why-card__icon .zfs-icon {
    width: 24px;
    height: 24px;
}

.zfs-why-card__title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: var(--space-sm);
}

.zfs-why-card__desc {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--gray-500);
}

/* -------------------------------------------------------------------------
   PROCESS SECTION
   ------------------------------------------------------------------------- */
.zfs-process {
    padding: var(--space-5xl) 0;
    background: var(--navy-900);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.zfs-process::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(197, 165, 90, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.zfs-process__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
    position: relative;
}

/* Connecting line */
.zfs-process__steps::before {
    content: '';
    position: absolute;
    top: 36px;
    left: calc(12.5% + 16px);
    right: calc(12.5% + 16px);
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent), rgba(197, 165, 90, 0.3));
}

.zfs-step {
    text-align: center;
    position: relative;
}

.zfs-step__number {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--gold-500));
    border-radius: 50%;
    margin: 0 auto var(--space-xl);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy-900);
    position: relative;
    z-index: 1;
}

.zfs-step__title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--white);
}

.zfs-step__desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--navy-300);
}

/* -------------------------------------------------------------------------
   CTA BANNER
   ------------------------------------------------------------------------- */
.zfs-cta-banner {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-700) 100%);
    position: relative;
    overflow: hidden;
}

.zfs-cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 80"><circle cx="40" cy="40" r="1" fill="rgba(197,165,90,0.08)"/></svg>') repeat;
    background-size: 80px 80px;
}

.zfs-cta-banner__inner {
    position: relative;
    text-align: center;
}

.zfs-cta-banner__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.zfs-cta-banner__text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--navy-200);
    max-width: 680px;
    margin: 0 auto var(--space-2xl);
}

.zfs-cta-banner__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* -------------------------------------------------------------------------
   COMMITMENT / LONG TEXT SECTION
   ------------------------------------------------------------------------- */
.zfs-commitment {
    padding: var(--space-5xl) 0;
}

.zfs-commitment__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.zfs-commitment__image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 3/4;
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.zfs-commitment__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zfs-commitment__content {
    padding-top: var(--space-xl);
}

.zfs-commitment__text {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--gray-600);
    margin-bottom: var(--space-xl);
}

/* -------------------------------------------------------------------------
   CONTACT FORM
   ------------------------------------------------------------------------- */
.zfs-contact {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-alt);
}

.zfs-contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
    align-items: start;
}

.zfs-contact__info {
    padding: var(--space-2xl);
    background: var(--navy-900);
    border-radius: var(--radius-lg);
    color: var(--white);
}

.zfs-contact__info-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.zfs-contact__info-text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--navy-200);
    margin-bottom: var(--space-2xl);
}

.zfs-contact__info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.zfs-contact__info-item .zfs-icon {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
    margin-top: 2px;
}

.zfs-contact__info-item strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.zfs-contact__info-item span {
    font-size: 0.95rem;
    color: var(--navy-100);
}

/* Form */
.zfs-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.zfs-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.zfs-form__group {
    margin-bottom: var(--space-md);
}

.zfs-form__group--full {
    grid-column: 1 / -1;
}

.zfs-form__label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.02em;
}

.zfs-form__input,
.zfs-form__select,
.zfs-form__textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.zfs-form__input:focus,
.zfs-form__select:focus,
.zfs-form__textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(197, 165, 90, 0.15);
    background: var(--white);
}

.zfs-form__textarea {
    min-height: 140px;
    resize: vertical;
}

.zfs-form__submit {
    width: 100%;
    margin-top: var(--space-md);
}

/* -------------------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------------------- */
.zfs-footer {
    background: var(--navy-950);
    color: var(--navy-200);
    padding: var(--space-4xl) 0 0;
}

.zfs-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-3xl);
}

.zfs-footer__brand {
    padding-right: var(--space-xl);
}

.zfs-footer__brand .zfs-logo__text {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.zfs-footer__desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--navy-300);
}

.zfs-footer__title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.zfs-footer__links {
    list-style: none;
}

.zfs-footer__links li {
    margin-bottom: var(--space-sm);
}

.zfs-footer__links a {
    font-size: 0.9rem;
    color: var(--navy-300);
    transition: color var(--transition-fast);
}

.zfs-footer__links a:hover {
    color: var(--color-accent);
}

.zfs-footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: 0.9rem;
}

.zfs-footer__contact-item .zfs-icon {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
    margin-top: 2px;
    flex-shrink: 0;
}

/* Footer bottom */
.zfs-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--space-lg) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.zfs-footer__copyright {
    font-size: 0.82rem;
    color: var(--navy-400);
}

.zfs-footer__bottom-links {
    display: flex;
    gap: var(--space-lg);
}

.zfs-footer__bottom-links a {
    font-size: 0.82rem;
    color: var(--navy-400);
}

.zfs-footer__bottom-links a:hover {
    color: var(--color-accent);
}

/* -------------------------------------------------------------------------
   ANIMATIONS
   ------------------------------------------------------------------------- */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* Scroll reveal */
.zfs-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.zfs-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.zfs-reveal--delay-1 { transition-delay: 0.1s; }
.zfs-reveal--delay-2 { transition-delay: 0.2s; }
.zfs-reveal--delay-3 { transition-delay: 0.3s; }
.zfs-reveal--delay-4 { transition-delay: 0.4s; }
.zfs-reveal--delay-5 { transition-delay: 0.5s; }
.zfs-reveal--delay-6 { transition-delay: 0.6s; }
.zfs-reveal--delay-7 { transition-delay: 0.7s; }
.zfs-reveal--delay-8 { transition-delay: 0.8s; }
.zfs-reveal--delay-9 { transition-delay: 0.9s; }

/* -------------------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------------------- */
@media (max-width: 1200px) {
    .zfs-services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .zfs-nav__menu,
    .zfs-header__phone {
        display: none;
    }

    .zfs-menu-toggle {
        display: block;
    }

    .zfs-header__cta .zfs-btn {
        display: none;
    }

    /* Mobile menu overlay */
    .zfs-nav.is-open .zfs-nav__menu {
        display: flex;
        flex-direction: column;
        position: fixed;
        inset: 0;
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(20px);
        padding: calc(var(--header-height) + var(--space-2xl)) var(--space-xl) var(--space-2xl);
        z-index: 1000;
        gap: 0;
        overflow-y: auto;
    }

    .zfs-nav.is-open .zfs-nav__menu li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .zfs-nav.is-open .zfs-nav__link {
        font-size: 1.1rem;
        padding: var(--space-lg) 0;
        display: block;
    }

    .zfs-nav.is-open .zfs-nav__dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: rgba(255, 255, 255, 0.03);
        box-shadow: none;
        border: none;
        padding: 0 0 var(--space-md) var(--space-lg);
    }

    .zfs-nav.is-open .zfs-nav__dropdown-item a {
        color: var(--navy-200);
    }

    .zfs-intro__grid,
    .zfs-commitment__grid,
    .zfs-contact__grid {
        grid-template-columns: 1fr;
    }

    .zfs-commitment__image {
        position: static;
        aspect-ratio: 16/9;
    }

    .zfs-intro__content {
        padding-left: 0;
    }

    .zfs-process__steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .zfs-process__steps::before {
        display: none;
    }

    .zfs-footer__grid {
        grid-template-columns: 1fr 1fr;
    }

    .zfs-why__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-5xl: 5rem;
    }

    .zfs-services__grid {
        grid-template-columns: 1fr;
    }

    .zfs-intro__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    .zfs-form__row {
        grid-template-columns: 1fr;
    }

    .zfs-footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .zfs-footer__bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .zfs-hero__content {
        padding-top: calc(var(--header-height) + var(--space-2xl));
    }

    .zfs-hero__actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .zfs-hero__actions .zfs-btn {
        width: 100%;
        justify-content: center;
    }

    .zfs-cta-banner__actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .zfs-container {
        padding: 0 var(--space-md);
    }

    .zfs-process__steps {
        grid-template-columns: 1fr;
    }

    .zfs-intro__stats {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .zfs-stat {
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--color-border);
    }
}

/* -------------------------------------------------------------------------
   PAGE TEMPLATES (for service subpages, about, contact)
   ------------------------------------------------------------------------- */
.zfs-page-hero {
    padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
    background: var(--navy-900);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.zfs-page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.zfs-page-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.zfs-page-hero__subtitle {
    font-size: 1.1rem;
    color: var(--navy-200);
    max-width: 600px;
    margin: 0 auto;
}

.zfs-page-content {
    padding: var(--space-4xl) 0;
}

.zfs-page-content p {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--gray-600);
    margin-bottom: var(--space-lg);
}

.zfs-page-content h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--navy-900);
    margin: var(--space-2xl) 0 var(--space-lg);
}

.zfs-page-content h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--navy-800);
    margin: var(--space-xl) 0 var(--space-md);
}

/* -------------------------------------------------------------------------
   FAQ SECTION
   ------------------------------------------------------------------------- */
.zfs-faq__list {
    max-width: 860px;
    margin: 0 auto;
}

.zfs-faq__item {
    background: var(--white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.zfs-faq__item:hover {
    border-color: var(--color-accent);
}

.zfs-faq__item.is-open {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-gold);
}

.zfs-faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-body);
}

.zfs-faq__question h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--navy-900);
    margin: 0;
    line-height: 1.4;
}

.zfs-faq__question .zfs-icon {
    width: 22px;
    height: 22px;
    color: var(--color-accent-dark);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.zfs-faq__item.is-open .zfs-faq__question .zfs-icon {
    transform: rotate(180deg);
}

.zfs-faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.zfs-faq__item.is-open .zfs-faq__answer {
    max-height: 400px;
}

.zfs-faq__answer > div {
    padding: 0 var(--space-xl) var(--space-lg);
}

.zfs-faq__answer p {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--gray-600);
    margin: 0;
}